Unilateral disarmament is a

policy Policy is a deliberate system of guidelines to guide decisions and achieve rational outcomes. A policy is a statement of intent and is implemented as a procedure or protocol. Policies are generally adopted by a governance body within an orga ...

option, to renounce weapons without seeking equivalent concessions from one's actual or potential rivals. It was most commonly used in the twentieth century in the context of ''

unilateral nuclear disarmament __NOTOC__ Unilateralism is any doctrine or agenda that supports one-sided action. Such action may be in disregard for other parties, or as an expression of a commitment toward a direction which other parties may find disagreeable. As a word, ''un ...

'', a recurrent objective of

peace movement A peace movement is a social movement which seeks to achieve ideals, such as the ending of a particular war (or wars) or minimizing inter-human violence in a particular place or situation. They are often linked to the goal of achieving world pe ...

s in countries such as the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...

. Nations do not often choose to dismantle their entire military capability. Unilateral disarmament is usually sought in one technical competency, such as

weapons of mass destruction A weapon of mass destruction (WMD) is a chemical, biological, radiological, nuclear, or any other weapon that can kill and bring significant harm to numerous individuals or cause great damage to artificial structures (e.g., buildings), natu ...

. Non-violent political movements from that of

Mahatma Gandhi Mohandas Karamchand Gandhi (; ; 2 October 1869 – 30 January 1948), popularly known as Mahatma Gandhi, was an Indian lawyer, anti-colonial nationalist Quote: "... marks Gandhi as a hybrid cosmopolitan figure who transformed ... anti- ...

to the

Campaign for Nuclear Disarmament The Campaign for Nuclear Disarmament (CND) is an organisation that advocates unilateral nuclear disarmament by the United Kingdom, international nuclear disarmament and tighter international arms regulation through agreements such as the Nuc ...

have recommended unilateral disarmament as a step toward world peace. Unilateral nuclear disarmament could also happen were a series of cascading failures to occur. For example loss of expertise, inability to finance, recapitalize and maintain the existing nuclear capability. Procrastination and neglect of existing nuclear weapon platforms and infrastructure to such an extent that a nation is unable to reconstitute its nuclear capability in time before portions of the system(s) begin to break down. Where that nation's nuclear deterrence then becomes questionable and uncertain.

By country

Costa Rica

The only recent candidate for having performed an act of complete disarmament is

Costa Rica Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the no ...

, which unilaterally disarmed and

demilitarized A demilitarized zone (DMZ or DZ) is an area in which treaties or agreements between nations, military powers or contending groups forbid military installations, activities, or personnel. A DZ often lies along an established frontier or bounda ...

itself in 1948, writing its non-military status into its constitution in 1949. In a public ceremony to mark the occasion, the existing Commander-in-Chief handed the keys to Army HQ to the Minister of Education, for use as a school. Since that time, Costa Rica has been briefly invaded once, by

Nicaragua Nicaragua (; ), officially the Republic of Nicaragua (), is the largest country in Central America, bordered by Honduras to the north, the Caribbean to the east, Costa Rica to the south, and the Pacific Ocean to the west. Managua is the coun ...

, but has maintained its territorial integrity.

United States

Although former

US President The president of the United States (POTUS) is the head of state and head of government of the United States of America. The president directs the executive branch of the federal government and is the commander-in-chief of the United States ...

Richard Nixon Richard Milhous Nixon (January 9, 1913April 22, 1994) was the 37th president of the United States, serving from 1969 to 1974. A member of the Republican Party, he previously served as a representative and senator from California and was ...

expressly denounced unilateral disarmament in 1969, Nixon's unilateral discontinuation of biological weapons development in 1972 is often characterized as a "unilateral disarmament".

South Africa

South Africa voluntarily gave up its nuclear weapons programme after the end of

apartheid Apartheid (, especially South African English: , ; , "aparthood") was a system of institutionalised racial segregation that existed in South Africa and South West Africa (now Namibia) from 1948 to the early 1990s. Apartheid was ...

Belarus, Kazakhstan and Ukraine

Belarus, Kazakhstan and Ukraine inherited nuclear weapons from the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...

that were deployed in their territories. The three countries voluntarily gave up the weapons in 1996 after the

Russian Federation Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

, the

and the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

assured these three countries that they will not threaten or use military force or economic coercion against them through the

Budapest Memorandum on Security Assurances The Budapest Memorandum on Security Assurances comprises three substantially identical political agreements signed at the OSCE conference in Budapest, Hungary, on 5 December 1994, to provide security assurances by its signatories relating to the ...

. Russia broke the assurance by annexing Crimea from Ukraine in 2014 and launching a full scale invasion of Ukraine in 2022.

References

External links

United Nations Institute for Disarmament Research
Political terminology {{poli-term-stub